DaveC3119

Its an anagram. It where warm waters is deliberately set apart from Begin and Halt.

Whereat writer swam. Is the resulting answer. Together with the original line we are looking for warm waters where the writer used to swim.

The firehole river is talked about as a favorite fishing and swimming location. It begin with melting mountain snow, but is warmed by the geothermal hotsprings of yellowstone.and the becomes warm.

So Dave, did you find some sort of message encoded in "...it where warm waters.."?
It sounds like you may have. care to share? Private message me with it. I'll give you something I found in return. I believe what I found is intentional and important.